# Ever have to replace a divider wall in a concrete septic tank?

**URL:** <https://boards.straightdope.com/t/ever-have-to-replace-a-divider-wall-in-a-concrete-septic-tank/788872>\
**Category:** In My Humble Opinion\
**Created:** [June 13, 2017, 4:32pm UTC](https://boards.straightdope.com/t/ever-have-to-replace-a-divider-wall-in-a-concrete-septic-tank/788872 "2017-06-13T16:32:17Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![Leaffan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/leaffan/32/299_2.png) [@Leaffan](https://boards.straightdope.com/u/Leaffan)\
**Post date:** [June 16, 2017, 2:51am UTC](https://boards.straightdope.com/t/ever-have-to-replace-a-divider-wall-in-a-concrete-septic-tank/788872/41 "2017-06-16T02:51:20Z")

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> [@Weisshund](#):
>
> That might depend.  
> Mine will bubble if the covers are not under dirt, even if bone empty.  
> But mine is not gravity fed, there is this huge nasty grinder pump in a concrete box that pumps everything up into the septic tank, and the fitting inside where all that nice stuff goes is a T, one side points down the other up right at the cap.
> 
> If you take off the cap while the lift station is in motion there is a 20 foot tall shit geyser that you better run from.  
> I learned this the bad way ☹

Ah yes, macerating pumps. Required when the bathroom loo is lower than the tank.

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